Act as a visionary storyteller with expertise in surreal and futuristic narratives. Imagine a world where dreams can be downloaded and shared like digital files. Describe a day in the life of a [DREAM BROKER], who trades rare and exotic dreams on the black market. How does society change when people can [UPLOAD] their nightmares to avoid experiencing them or [DOWNLOAD] famous historical figures' dreams? Explore the ethical dilemmas, such as [PRIVACY] concerns or the commodification of subconscious experiences. Use vivid, imaginative details to bring this world to life, blending sci-fi with psychological depth.